{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001235},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["497:4970000035","487:4870001053","491:4910001878","500:5000001374","477:4770003051","500:5000000988","491:4910001647","477:4770002817","665:6650000374","491:4910001529","487:4870007166","665:6650000453","500:5000001328","487:4870007156","487:4870001054","500:5000001323","491:4910001589","500:5000001620","500:5000001276","477:4770002468","500:5000001326","665:6650000408","476:4760000490","485:4850005597","487:4870006113"],"twin_admin_codes":[497,487,491,500,477,500,491,477,665,491,487,665,500,487,487,500,491,500,500,477,500,665,476,485,487],"twin_sims":[0.12255113335398275,0.07506235310697461,0.052075214038403865,0.03470420122984177,0.030749190633403475,0.025829250972691332,0.022288734654534955,0.021904796351604066,0.021431900127199907,0.019343263520713496,0.018548054876363993,0.017058978517190876,0.01641698291168711,0.015434894198535038,0.01503141014296814,0.014398878398655123,0.013305280958557087,0.013178699613044345,0.012887332900793188,0.012790125675516625,0.012648444783964867,0.012434114440726724,0.012184059394891733,0.01181849925928723,0.011748311253086901],"twin_dists":[0.26611449915056024,0.2955571337055635,0.31573479838788177,0.3367179631624521,0.34272553850986326,0.35120173063229243,0.3582122901401264,0.35902954166101214,0.36005343792262906,0.3648253205441677,0.36676106140992454,0.37058990807716713,0.3723317827037623,0.37511585353338844,0.3763050576414768,0.37822719564355917,0.3817335415885271,0.38215569183660714,0.3831412013550373,0.3834743811257865,0.3839640327723307,0.384714074723739,0.38560375192180124,0.3869339700475296,0.387193542476423],"n_dims_used":42,"mean_confidence":0.8878475370861235},"coverage":{"mean_confidence":0.8878475370861235,"n_dims_used":42,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}